<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
            width: 410px;
            margin: auto;
            margin-top: 200px;
        }
        img{
            width: 400px;
            height: 400px;
            transition: all 2s linear;
        }
        img:hover{
            width: 200px;
            height: 200px;
        }
        

    </style>
</head>
<body>
    <div class="box">   
         <img src="../day04/jige.jpg" alt="">
    </div>
    <button>
        <p>开始蹦迪</p>
    </button>

</body>
</html>